4.6 Article

Electric-field-induced superconductivity at 9.4 K in a layered transition metal disulphide MoS2

Journal

APPLIED PHYSICS LETTERS
Volume 101, Issue 4, Pages -

Publisher

AMER INST PHYSICS
DOI: 10.1063/1.4740268

Keywords

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Funding

  1. MEXT, Japan [19104008]
  2. JSPS through the Funding Program for World-Leading Innovative R&D on Science and Technology (FIRST Program)
  3. Grants-in-Aid for Scientific Research [23656011, 19104008, 24684023] Funding Source: KAKEN

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Electro-static carrier doping was attempted in a layered transition metal disulphide MoS2 by constructing an electric double-layer transistor with an ionic liquid. With the application of gate voltage V-G higher than 3 V, a metallic behavior was observed in the MoS2 channel. We found an onset of electric field-induced superconductivity in the field induced metallic phase. A maximum T-C similar to 9.4K was observed, which could be higher than those in chemically doped bulk materials. (C) 2012 American Institute of Physics. [http://dx.doi. rg/10.1063/1.4740268]

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